Also, there's the question of purity..the more 'clean' you are (no make up), the more pure of spirit and soul. It works for Buffy vs. Faith, for example.
Found your LJ link after link, can I befriend you as well? I'm pretty new to LJ and though I have already found new/old friends and good communities, I'm looking for Spike lovers :) no need to befriend back, of course.